[INFO] fetching crate bubblegum-cli-rs 1.0.2...
[INFO] checking bubblegum-cli-rs-1.0.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate bubblegum-cli-rs 1.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bubblegum-cli-rs 1.0.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bubblegum-cli-rs 1.0.2
[INFO] finished tweaking crates.io crate bubblegum-cli-rs 1.0.2
[INFO] tweaked toml for crates.io crate bubblegum-cli-rs 1.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding more-asserts v0.2.2 (available: v0.3.1)
[INFO] [stderr]       Adding num_cpus v0.2.13 (available: v1.16.0)
[INFO] [stderr]       Adding owning_ref v0.3.3 (available: v0.4.1)
[INFO] [stderr]       Adding parking_lot v0.4.8 (available: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.2.14 (available: v0.9.10)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.13.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5901bcd603babb0b87860070e1616e666a6ef8ff4c1e986d722ad9d69e4fe7e7
[INFO] running `Command { std: "docker" "start" "-a" "5901bcd603babb0b87860070e1616e666a6ef8ff4c1e986d722ad9d69e4fe7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5901bcd603babb0b87860070e1616e666a6ef8ff4c1e986d722ad9d69e4fe7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5901bcd603babb0b87860070e1616e666a6ef8ff4c1e986d722ad9d69e4fe7e7", kill_on_drop: false }`
[INFO] [stdout] 5901bcd603babb0b87860070e1616e666a6ef8ff4c1e986d722ad9d69e4fe7e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c10bcf3978239c1412d38071cecb9f4cf2eb17c6d7924dd680152460da2dca31
[INFO] running `Command { std: "docker" "start" "-a" "c10bcf3978239c1412d38071cecb9f4cf2eb17c6d7924dd680152460da2dca31", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking queues v1.1.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking dot_parse v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking bubblegum-cli-rs v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/bubblegum_cli.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BubblegumClient<'a> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 17 |     config: BubblegumClientConfig<'a>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/bubblegum_cli.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct BubblegumClient<'a> {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 17 |     config: BubblegumClientConfig<'a>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "c10bcf3978239c1412d38071cecb9f4cf2eb17c6d7924dd680152460da2dca31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10bcf3978239c1412d38071cecb9f4cf2eb17c6d7924dd680152460da2dca31", kill_on_drop: false }`
[INFO] [stdout] c10bcf3978239c1412d38071cecb9f4cf2eb17c6d7924dd680152460da2dca31